The mediating effect of sleep disturbance on the association between hypertension and depression: a national data analysis

Table 3 Associations from multiple linear regression models of hypertension with sleep disturbance, and depression

Predictor	Target variable	Unadjusted					Model 1			Model 2
Predictor	Target variable	β^a	β^s	(95% CIs)	β^a	β^s	(95% CIs)	β^a	β^s	(95% CIs)
Hypertension	Depression	0.68	0.05	(0.49 to 0.88)	0.94	0.07	(0.79 to 1.19)	0.60	0.04	(0.40 to 0.80)
Hypertension	Sleep disturbance	0.73	0.05	(0.49 to 0.96)	0.88	0.05	(0.68 to 1.17)	0.50	0.03	(0.27 to 0.73)
Hypertension	Depression	0.42	0.03	(0.24 to 0.59)	0.66	0.05	(0.47 to 0.84)	0.47	0.03	(0.29 to 0.66)
Sleep disturbance	Depression	0.36	0.43	(0.35 to 0.38)	0.37	0.43	(0.35 to 0.37)	0.37	0.44	(0.36 to 0.39)

model 1 = adjusted for variables in Table 1, model 2 = adjusted for variables in Tables 1 and 2
β^a = Unstandardized coefficients, β^s = Standardized coefficients, CI = Confidence intervals

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